Selank is a lyophilized synthetic peptide vial containing 5 mg, 10 mg, or 15 mg of Selank. Selank is a synthetic heptapeptide composed of seven amino acids and characterized by a defined amino-acid sequence and molecular structure. The peptide is structurally related to a naturally occurring tetrapeptide sequence with an additional amino-acid modification. In published scientific literature, Selank has been characterized according to its peptide sequence, molecular structure, and chemical composition.
